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Distributed Generation
A system in which many smaller power-generating systems create electrical power near the point of consumption
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Synchronizing
The process of connecting a generator to an energized electrical system
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Islanding
The undesirable condition where a distributed-generation power source, such as a PV system, continues to transfer power to the utility grid during a utility outage
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Point of Connection
The location at which an interactive distributed-generation system makes its interconnection with the electric utility system
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Qualifying Facility (QF)
A non-utility large-scale power producer that meets the technical and procedural requirements for interconnection to the utility system
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Avoided Cost
The cost that a utility would normally incur to generate a given amount of power, often synonymous with the wholesale market value of electricity
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Qualifying-Facility Agreement
A contract between a utility and a qualifying facility that establishes the terms and conditions for interconnection and the rates or tariffs that apply
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Interconnection Agreement
A contract between a distributed power producer and an electric utility that establishes the terms and conditions for the interconnection
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Building Code
A set of regulations that prescribes the materials, standards, and methods to be used in the construction, maintenance, and repair of buildings and other structures
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Model Building Code
A building code that is developed and revised by a standards organization independently of the adopting jurisdiction
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Authority Having Jurisdiction (AHJ)
An organization, office, or individual designated by local government with legal powers to administer, interpret, and enforce building codes
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Plans Examiner
A local official qualified to review construction plans and documentation for compliance with applicable codes and standards
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Electrical Inspector
Local official qualified to evaluate electrical installations in the field for compliance with applicable codes and standards
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Nationally Recognized Testing Laboratory (NRTL)
An OSHA-recognized, accredited safety testing organization that certifies equipment or materials to meet applicable standards
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Listing
The process used by an NTRL for certifying that equipment or materials meet applicable standards
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Qualified Person
A person with skills and knowledge of the construction and operation of electrical equipment and installations and is trained in the safety hazards involved
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Construction Bond
A contract in which a surety company assures that a contractor will complete their work in accordance with contracting laws
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Permit
Is permission from the AHJ that authorizes construction work to begin and establishes the inspection requirements, but does not represent an approval of compliance with codes and standards
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Plans Review
An evaluation of system-design documentation as part of the permitting process
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Dedicated Space
The clear space reserved around electrical equipment for the existing equipment and potential future additions
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Working Space
The clear space reserved around electrical equipment so that workers can inspect, operate, and maintain the equipment safely and efficiently
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